renovate.json

{
  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
  "extends": [
    "config:base"
  ],

  "enabledManagers": ["terraform", "regex"],

  "regexManagers": [
    {
      "description": "Update _VERSION references",
      "fileMatch": ["versions\\.sh$"],
      "matchStrings": [
        "# renovate: datasource=(?<datasource>[a-z-]+?) depName=(?<depName>[^\\s]+?)\\s.+?_VERSION=[\"']?(?<currentValue>.+?)[\"']?\\s"
      ]
    }
  ],

  "packageRules": [
    {
      "description": "Group terraform plugin updates",
      "matchManagers": ["terraform"],
      "groupName": "terraform",
      "rangeStrategy": "update-lockfile"
    },

    {
      "description": "Group terraform version into plugins updates",
      "matchPackageNames": ["hashicorp/terraform"],
      "groupName": "terraform"
    }
  ]
}